Double Long Pulley, 2" and 1.5" Wheels Handle Type_Wood Double-walled in aluminum to minimize

Double-walled in aluminum to minimize heat exchange with the surrounding air

Compact metal-box convection demonstrator at 10 by 4 by 3 inches with two glass chimneys

polished with ground edges for image-formation experiments in introductory optics

this handle-fitted bicycle wheel lets students feel torque resistance in a spinning mass

configured to contrast eddy-current damping in continuous versus interrupted conductors

Double Long Pulley, 2" and 1.5" Wheels Handle Type_Wood Double-walled in aluminum to minimizeUnequal wheel pulley with a 2 inch and a 1. 5 inch wheel at 5. 75 inches overall in a metal frame with end hooks, showing how different wheel diameters change mechanical advantage.